Goodwin, SD Weather & Growing Conditions
Tonight
38°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 38. North northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Light Rain | 18 to 23 mph NNW | 89% |
| Wednesday | 42°F | Light Rain | 21 mph NNW | 90% |
| Wednesday Night | 33°F | Light Rain Likely | 16 to 20 mph NNW | 55% |
| Thursday | 41°F | Patchy Fog then Partly Sunny | 13 to 17 mph N | 5% |
| Thursday Night | 29°F | Mostly Cloudy | 2 to 12 mph NNE | 0% |
| Friday | 43°F | Partly Sunny | 2 to 6 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 7 mph SSW | 0% |
| Saturday | 53°F | Mostly Sunny | 8 to 14 mph WSW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 10 mph W | 4% |
| Sunday | 55°F | Sunny | 12 mph WSW | 3% |
| Sunday Night | 38°F | Partly Cloudy | 9 to 14 mph SW | 0% |
| Monday | 57°F | Mostly Sunny | 12 to 16 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 7 to 10 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 9 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Goodwin, SD
Last spring frost
May 7
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b
Explore more for Goodwin, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Clear Lake, Sd (11.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.